氯化氢直接氧化法制氯气的反应是4HCl(g)+O
2(g)
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2Cl
2(g)+2H
2O(g)。刚性容器中,进料浓度比
c(HCl):
c(O
2)分别等于1:1、4:1、7:1时,HCl平衡转化率随温度变化的关系如图所示。下列说法
错误的是( )
- A、K(300℃)>K(400℃)
- B、增加反应的压强和及时分离出氯气都可以提高氯化氢的转化率
- C、当c(HCl):c(O2)进料比过低时,HCl的转化率较低,且不利于分离O2和Cl2
- D、若HCl的初始浓度为c,进料比为1:1时,K(500℃)=
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